Managing Databases with Oracle Which SQL phrase is not supported by Oracle? ON UPDATE CASCADE ON DELETE CASCADE DROP SEQUENCE [SequenceName] CREATE SEQUENCE [SequenceName] ON UPDATE CASCADE ON DELETE CASCADE DROP SEQUENCE [SequenceName] CREATE SEQUENCE [SequenceName] ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Which statement about sequences is not true? NextVal and CurrVal are both sequence methods. A sequence is an object that generates a sequential series of unique numbers. Sequences are most often used to provide values for surrogate keys. Sequences guarantee valid surrogate key values. NextVal and CurrVal are both sequence methods. A sequence is an object that generates a sequential series of unique numbers. Sequences are most often used to provide values for surrogate keys. Sequences guarantee valid surrogate key values. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Oracle directly supports the definition of surrogate keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle To see the contents of the SQL*Plus buffer, type: CONTENTS BUFFER CURRENT LIST CONTENTS BUFFER CURRENT LIST ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle In creating a procedure, you may get a message if you have compile errors. Which of the following is true? To see the errors, enter SHOW ERRORS in SQL*Plus. If there are no syntax errors, you will receive the message "NO ERRORS." The line numbers reported match the line numbers you see in your text editor. SQL*Plus will automatically show the errors to you. To see the errors, enter SHOW ERRORS in SQL*Plus. If there are no syntax errors, you will receive the message "NO ERRORS." The line numbers reported match the line numbers you see in your text editor. SQL*Plus will automatically show the errors to you. ANSWER DOWNLOAD EXAMIANS APP
Managing Databases with Oracle Indexes are created to enforce uniqueness on columns and to enable fast retrieval by column values. False True False True ANSWER DOWNLOAD EXAMIANS APP
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